GB/T2499 Cast Iron Dual-row Stop Box Valve

Materials of main parts

Body Material: Cast Iron

Disc Material: Cast Tin Bronze

Stem Material: Aluminum Bronze

Application: This GB/T2499 Cast Iron Dual-row Stop Box Valve is designed for marine applications involving t sea water, fresh water.

Material Specification:

Technical Specifications:

Model: GB/T2499 Cast Iron Dual-row Stop Box Valve

Type	Nominal Pressure PN (MPa)	Nominal Diameter DN₁/DN₂	Suitable Media
R, RS	1.0	40/50 ~ 150/200	Fresh water, Sea water
S, SS	0.6	200/250 , 250/300	Fresh water, Sea water

GBT2499 Cast Iron Dual-row Stop Box Valve.jpg

Nominal Pressure (PN MPa)	Nominal Diameter Inlet (DN1 mm)	Nominal Diameter Outlet (DN2 mm)	Structural Dimensions (mm)					Support Dimensions (mm)				Flange Connection - Inlet (Imported DN1)						Flange Connection - Outlet (Exported DN2)						Handwheel (mm)	Lift Range (mm)	Weight (kg)
			L	L1	L2	H	H1	δ	L3	B	B1	d3	D	D1	D2	b1	d1	n1	Bolt TH	D3	D4	D5	b2	d2	n2	Bolt TH	d0	S
			R / S	R / S	R / S				R / S	R / S	R / S
1.0	40	50	380 / 540	110 / 160	160	236	160	8	210 / 370	95	50	13	125	93	74	16	15	6	M14	135	103	84	16	15	6	M14	120	11
1.0	50	65	420 / 600	120 / 180	180	257	165	8	230 / 410	100	50	15	135	103	84	15	15	6	M14	155	123	104	15	15	6	M14	140	12
1.0	65	80	440 / 620	130 / 180	180	270	180	9	230 / 410	120	50	15	155	123	104	15	15	8	M14	170	138	118	15	15	8	M14	140	12
1.0	80	100	480 / 680	140 / 200	200	300	202	9	260 / 460	130	60	17	170	138	118	15	15	8	M14	190	158	138	15	15	8	M14	160	14
1.0	100	125	570 / 800	170 / 230	230	309	235	10	290 / 520	150	60	17	190	158	138	15	15	10	M14	215	183	164	15	15	10	M14	180	14
1.0	125	150	650 / 900	200 / 250	250	355	275	10	310 / 560	160	60	17	215	183	164	15	15	12	M14	240	208	190	16	15	12	M14	200	17
1.0	150	200	740 / 1020	230 / 280	280	410	295	11	340 / 620	175	60	17	240	208	190	16	15	12	M14	295	264	247	16	15	12	M14	200	17
0.6	200	250	940 / 1320	280 / 380	380	510	370	11	470 / 850	220	70	21	295	264	247	16	17	14	M16	365	327	306	18	17	14	M16	360	27
0.6	250	300	1180 / 1640	360 / 460	460	625	440	13	560 / 1020	270	75	23	365	327	306	18	17	14	M16	430	386	360	19	21	14	M20	360	27


						Frame dimension				Support size					Connection dimension of flange										hand wheel	Lift Range	weight kg
PN Mpa	DN₁	DN₂	RS type	SS type	L	L₁	L₂	H	H₁	δ	L₃ RS type	L₃ SS type	B	B₁	d₃	Imported DN₁			bolt	Exported DN₂			bolt		Do	S	m	RS type	SS type
																D	D₁	D₂	b₁	d₁	n₁	TH	D₃	D₄	D₅	b₂	d₂	n₂	TH
1.0	40	50	410	590	115	180	236	160	8	230	410	95	50	14	150	110	88	18	4	M16	165	125	102	20	4	M16	120	11	11
	50	65	445	640	125	195	258	165		245	440	100		16	165	125	102	20			185	145	122				140	12	14
	65	80	505	720	145	215	277	180	9	265	480	120			185	145	122	20			200	160	133	22	18			19	86.3
	80	100	540	770	155	230	304	202		290	520	130	60		200	160	133	22	18	M16	220	180	158	24		8	160	14	26
	100	125	610	870	175	260	325	235	10	320	580	150		18	220	180	158	24			250	210	184	26			180		35
	125	150	695	990	200	295	366	275		355	650	160			250	210	184	26		8	285	240	212	22		M20	200	17	44
	150	200	800	1150	225	350	410	295	11	410	760	175	70		285	240	212	22			340	295	268	28				52	249.0
0.6	200	250	940	1330	275	390	543	370	13	470	860	220		22	320	280	258	22	18	M20	375	335	312	24	18	M16	360	27	68
0.6	250	300	1130	1610	325	480	623	325		570	1050	270	75		375	335	312	24		12	440	395	365	22	12	M20	450	32	80